The objective of this puzzle is to move the discs, one at a time, from start to finish.

You are not allowed to put a disc on top of a smaller disk though.

You will be awarded a trophy if you can complete the puzzle in the minimum number of moves.

Start by moving this disk.

You can't put a disc on top of a smaller disc.

The objective of this puzzle is to move the discs, one at a time, from start to finish.

You are not allowed to put a disc on top of a smaller disk though.

You will be awarded a trophy if you can complete the puzzle in the minimum number of moves.

Investigation

Complete the first five levels of this puzzle and keep your results in a table. Can you work out how the minimum number of moves is related to the number of discs? Could you fill in the rest of the table without doing levels 6 to 10 of the puzzle?

Number of discs

1

2

3

4

5

6

7

8

9

10

Minimum Moves

1

The solutions to this and other Transum puzzles, exercises and activities are available in this space when you are signed in to your Transum subscription account. If you do not yet have an account and you are a teacher or parent you can apply for one here.

A Transum subscription also gives you access to the 'Class Admin' student management system and opens up ad-free access to the Transum website for you and your pupils.

Suggested

Without Lifting The Pencil

Can you draw these diagrams without lifting your pencil from the paper? This is an interactive version of the old puzzle.

The short web address is:

www.transum.org/go/?to=without

Suggested

River Crossing

Threee traditional River Crossing challenges. Can you do them in the minimum number of moves?

The short web address is:

www.transum.org/go/?to=river

Suggested

Pu Wiang

Switch the positions of the red and yellow counters for this challenge invented in northern Thailand.

The short web address is:

www.transum.org/go/?to=puwiang

The Tower of Hanoi (also called the Tower of Brahma or Lucas' Tower) was invented by the French mathematician Édouard Lucas in 1883.

There is a story about an Indian temple which contains a large room with three old posts and 64 golden disks. Brahmin priests, acting out the command of an ancient prophecy, have been moving these disks for countless years. According to the legend, when the last move of the puzzle will be completed, the world will end!

Level 10 of this puzzle featured in an episodeIn the 1966 Doctor Who story called The Celestial Toymaker. The villain forces the Doctor to work on a ten-piece Tower of Hanoi puzzle (which they call The Trilogic Game) and if the Doctor manages to complete the puzzle, the Toymaker's domain will disappear.

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Suggested

Squorder

The Transum version of the traditional sliding tile puzzle. Arrange the numbers 1 - 8 in the minimum number of moves.

The short web address is:

www.transum.org/go/?to=squorder

Suggested

Scheduling Puzzle

Make a schedule for the 24-hour Darts Marathon while taking into account all of the restrictions.

The short web address is:

www.transum.org/go/?to=scheduling

Suggested

Shunting Puzzles

Move the trams to their indicated parking places in the shunting yard as quickly as possible.

The short web address is:

www.transum.org/go/?to=shunting

The solutions to this and other Transum puzzles, exercises and activities are available here when you are signed in to your Transum subscription account. If you do not yet have an account and you are a teacher, tutor or parent you can apply for one by completing the form on the Sign Up page.

A Transum subscription also gives you access to the 'Class Admin' student management system, downloadable worksheets, many more teaching resources and opens up ad-free access to the Transum website for you and your pupils.